Checklist for 11i Migration Decision                                                   Yes                                No Business Change            Mandatory re-Implement       Upgrade Historical Data                  Upgrade or Convert             re-Implement  Order Entry                           re-Implement                 Upgrade Hardware Change             Probable re-Implement         Upgrade Downtime tolerance low        re-Implement                   Upgrade MSOBA -> Multi-Org             re-Implement                  Upgrade The Migration method has the following steps:   Category 1-3  Pre-upgrade steps include Rapid Install   Category 4 11.5.x maintenance pack   Category 5-7 Post-upgrade How Does a Migration Differ from a re-Implementation? · The migration converts the data, data structure, applications programs and other objects into the new Release 11i objects. · Setups will be converted in a migration. · The "re-Implementation" or "new install" method is like an implementation. · This can be an opportunity to revisit current business practices and compare them to "best practices" · A change in the business (COA) may make a "new install" mandatory. · Hardware changes would probably require a "new install". · Gap analysis should be performed with R11i · "New install" required to consolidate multiple instances and implement Multi-Org · "New install" generally requires less downtime during cutover. Common tasks for both methods · Time from functional users is required to: cleanup List of Values, clean any old setups and perform testing · Customizations need to be documented, customizations could be lost